private void BtnCreateNewGroupClick(object sender, RoutedEventArgs e)
{
if (cmbbxAccountForGroupTab.SelectedItem != null && !string.IsNullOrWhiteSpace(txtbxNewGroupName.Text) && !string.IsNullOrWhiteSpace(txtbxNewGroupDescription.Text) && !string.IsNullOrWhiteSpace(txtbxNewGroupShortUrl.Text))
{
DmUploader.CreateNewGroupForAccount((Account)cmbbxAccountForGroupTab.SelectedItem, txtbxNewGroupName.Text, txtbxNewGroupDescription.Text, txtbxNewGroupShortUrl.Text);
}
}
